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Service bulletin 12905

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id606937
Published by NHTSA1999-09-08
Manufacturer's number12905
Manufacturer's date1999-06-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Axle

Vehicles listed
FORD BRONCO1991, 1992, 1993, 1994, 1995, 1996
FORD BRONCO1997 to 1999
FORD EXPEDITION1991 to 1996
FORD EXPEDITION1997, 1998, 1999
FORD EXPLORER1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
FORD F-1501991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
FORD F-2501991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
FORD F-3501991, 1992, 1993, 1994, 1995, 1996, 1997
FORD F-3501998
FORD F-3501999
FORD RANGER1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
LINCOLN NAVIGATOR1991 to 1997
LINCOLN NAVIGATOR1998, 1999
MERCURY MOUNTAINEER1991 to 1996
MERCURY MOUNTAINEER1997, 1998, 1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
056182005-12-07. Service bulletin. REAR AXLE NOISE REPAIR. *TT
0305082005-12-07. Service bulletin. FRONT AXLE LEAKS FLUID FROM VENT TUBE - VEHICLES EQUIPPED WITH 4X4 OR AWD. *TT
184662005-05-05. Service bulletin. AXLE WHINE HOWL. THIS INCLUDES 1997-05 FORD VEHICLES. *EH
041852005-04-08. Service bulletin. FRONT HUBS NOT ENGAGING, NOT STAYING ENGAGED AND/OR UNLOCKING. *TT
0316032005-01-07. Service bulletin. REAR AXLE POPPING/CHATTER NOISE - DANA 80 MODEL DUAL REAR WHEEL (DRW). *AR
031632003-10-08. Service bulletin. SOME VEHICLES EQUIPPED WITH THE DUAL REAR WHEEL (DRW) REAR AXLE MAY EXHIBIT A TACTILE POPPING OR AUDIBLE CHATTERING NOISE. THIS POPPING NOISE/FEEL RESULTS FROM THE CLUTCH PLATES AND DISCS (IN THE LIMITED SLIP DIFFERENTIAL CASE) STICKING AND THEN SLIPPING. *TT
03582003-07-26. Service bulletin. FLUID MAY LEAK OUT OF THE FRONT AXLE VENT TUBE. *TT *JB
02422002-11-04. Service bulletin. CERTAIN VEHICLES WITH 4X4 OR ALL-WHEEL DRIVE MAY HAVE A FLUID LEAK FROM THE FRONT AXLE VENT TUBE. *TT
011142001-10-22. Service bulletin. SOME 4X4 VEHICLES MAY EXHIBIT A HIGH-PITCHED SQUEAL OR WHISTLE TYPE NOISE FROM THE FRONT AXLE AREA OF THE VEHICLE AT SPEEDS FROM 16 TO 64 KM/H (10 TO 40 MPH). *TT
142532001-08-07. Service bulletin. SOME SUPER DUTY F SERIES VEHICLES EQUIPPED WITH DUAL REAR WHEELS (DRW) MAY EXHIBIT A CHATTER FROM THE REAR AXLE DURING TURNS. *TT